Browsing Natural and Agricultural Sciences by Subject "Vaal River"
Now showing items 1-4 of 4
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Biodiversity and systematics of parasitic Crustacea infesting southern African freshwater fishes
(North-West University (South Africa), 2023-10)Crustaceans (Arthropoda: Crustacea) are regarded as the most morphologically diverse group in the phylum Arthropoda, and they have the greatest diversity of parasitic forms. Parasitic crustaceans have adapted several ... -
Investigation into the occurrence of the dinoflagellate, Ceratium hirundinella in source waters and the impact thereof on drinking water purification
(North-West University, 2011)The Ceratium species occurring in the Vaal River since 2000, was identified as Ceratium hirundinella (O.F. Müller) Dujardin as proposed by Van Ginkel et al (2001). Ceratium hirundinella is known to cause problems in drinking ... -
Persistent organic pollutants in biotic and abiotic components of the Orange-Senqu River basin
(North-West University (South Africa), 2023)The Orange-Senqu River Basin (OSRB) stretches over four southern Africa countries that are all Parties to the Stockholm Convention on Persistent Organic Pollutants (SCPOPs). The main tributary, the Vaal River on the eastern ... -
Phosphatase activities of riverine phytoplankton in the Vaal river (South Africa) : physiological responses of nuisance species to different nutrient regimes
(North-West University (South Africa), 2002)The theme of this thesis is the ecophysiological basis for development of massoccurrences of phytoplankton species in aquatic environments. Research concerning the reasons for harmful algal bloom (HAB) formation has been ...